With a half-twist throttle or a full-twist throttle, because the twist is what actually provides the modulation of the throttle, you can maintain more of a constant throttle. So that sort of leads into a half-twist and full-twist throttles.
The thumb throttle on the right hand handlebar is available to the rider at any time the bike is switched on. It over rides the pedal assist giving full power at a moments notice. This is useful for hill starts, in heavy traffic and when getting away from traffic lights. The rider can also have a rest from pedalling. The full twist throttle takes up the entire end of the handlebar, completely replacing whatever grip would originally be on the end of handlebar.
To operate it, the rider simply grabs a handful of throttle and twist it back towards himself. It operates just like the throttle on most motorcycles. A twistgrip is a handle that can be twisted to operate a control. To twist the throttle is to give more fuel to the snowmobile and therefore to accelerate.
When passengers feel this acceleration they instinctively lean forward to avoid being toppled off the back of the snowmobile. Poor acceleration or hesitation may be a sign that your spark plug is worn or dirty or the incorrect type of plug is being used. Examples of poor acceleration include an absence of response or a delayed reaction when you twist the hand throttle or shift the thumb lever. Joined Jan 28, Messages Likes 0. Twist throttles on ATV's are a matter of preferrence.
The danger of the thumb throttle is when you rail an ATV around a corner and are leaning forward to keep the front tires glued down, you can sometimes find that your chest has the throttle pinned!
I have never seen a thumb throttle on a motorcycle. I think it would make it very hard to hold onto the bike the longer your rode because you would only have the three smaller and weaker fingers on the bars. I also think that braking with one finger on the brake and one on the gas could be a very difficult skill to aquire without injuring yourself, especially if you need the brakes in a hurry.
But, if you want to try it I have a Honda thumb throttle in the garage. I think like you said kciH, probably the main reason bikes will never be popular with thumb throttles is safety.
Most guys at the track that race quads have switched to a twist system probably for this reason. Like you said the thumb and forefinger are the two most powerful for gripping and with the thumb locked around both grips, the bars are very safely gripped. On ultility ATVs where constant slow speeds are the norm, quick gas to brake transitions are not occurring very frequently.
But in racing, you're either hard on the gas or hard on the brake usually and coming into a set of braking bumps without your thumb locked around the grip could be disaster, and if you try to grip, you're going to lose a lot of speed coasting in like that. Perhaps there is some value for trail applications, but even then I don't see it as a superior.
SprtrxRidr Mod Ban Aug 11, Joined May 27, Messages 37 Likes 0. ATVs have thumb throttles for one reason. Turning an ATV requires more handlebar movement than a dirtbike. This means that it can be awkward to use an ATV Twist throttle in a sharp turn. It's the best of both worlds. Like I said before I removed my first Twister because off the control issues. The Dual gasser works both ways. Twist for Trail riding and Tumb for the dunes and hills.
Thanks for all the info.. I am also going to try the Dual Gasser and have the options of either or. You can post now and register later.
If you have an account, sign in now to post with your account. Paste as plain text instead. Only 75 emoji are allowed. Display as a link instead. Clear editor. Upload or insert images from URL. Thumb Throttle Welcome, dune riders! Returning users Sign In. Twist Throttle vs. Thumb Throttle. Share More sharing options Followers 0. Reply to this topic Start new topic. Recommended Posts. Jakster Posted October 10, Posted October 10, When I was first learning to ride my motorcycle I was very inexperienced.
My first ride outside of my neighborhood did not go so well. I pulled out of a gas station and twisted the throttle back. Little did I know that the bike I bought had a problem with the throttle sticking open. Before I knew it, the front wheel was in the air. Instead, my weight shifted back and cause me to twist the throttle even more and before I knew it, I was being drug behind my bike with the throttle wide open. When I finally let go, the bike went tumbling and so did I.
Moral of the story is, had it been a thumb throttle in an ATV, my shift in weight would not have caused me to go wide open with the throttle. A lot of ATV riders complain about their thumbs getting very sore when riding and this seems to happen especially during long rides. I too have experienced this sensation when I used to ride back trails in the mountains of Utah for several hours at a time.
ATV enthusiasts are very good at finding alternate solutions to problems they have and there are many ways to try to alleviate this soreness and pain. A thumb throttle extender makes your throttle about twice as long as the stock length.
The extra length on these extenders allows the rider to to bypass some of the fatigue associated with normal thumb throttle by using leverage to make the throttle easier to press. Many people have modified their existing throttles or even bought an extra throttle and added it to their current one that allows them to use their index fingers to control their rides.
Finger throttle have an advantage of not causing as much fatigue in the finger but it takes some getting used to and really is not ideal.
Stunt riders use them a lot to better control their bikes when performing.
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